import com.sun.javaws.IconUtil;

import java.util.Scanner;
public class PrintX {
        public static void main(String[] args){
            Scanner scan=new Scanner(System.in);
            while(scan.hasNextInt()) {
                int n=scan.nextInt();
                for (int i = 0; i < n; i++) {
                    for (int j = 0; j < n; j++) {
                        if (j == i || j == n - i - 1) {
                            System.out.print("*");
                        } else {
                            System.out.print(" ");
                        }
                    }
                    System.out.println();
                }
            }
        }
}
